December 17, 2021
Courts across the U.S. continued to advance understanding of key environmental laws in 2021, from a D.C. Circuit opinion that gave a broad interpretation of the federal government's power to regulate under the Clean Air Act to a U.S. Supreme Court decision that will have a lasting impact on how states treat shared water sources.
October 26, 2021
Business groups say an Arizona federal judge put an undue economic strain on their members by vacating a Trump-era rule that narrowed the reach of the Clean Water Act instead of leaving the rule intact while the Biden administration comes up with a replacement.
August 31, 2021
An Arizona federal judge has axed Trump-era revisions to the Clean Water Act that stripped protections for certain bodies of water, siding with six tribes and ruling that the rewritten law had "fundamental, substantive flaws" counter to the law's intent.
May 12, 2021
The Pascua Yaqui Tribe and five other Native American tribes have urged an Arizona federal judge to vacate a Trump-era definition of the Clean Water Act without trial, saying that protecting fewer bodies of water runs contrary to the law's original intent.